The March Budget announced by Gordon Brown was by far the greenest of his tenure, with measures announced to tackle climate change.

Measures announced include:

• Climate Change Levy to stay, and to be linked to inflation from 2007.
• Proposed World Bank scheme to help developed economies to invest in new forms of energy in developing nations.
• A new £1b energy and environmental research institute to be funded by government and private industry.
• Zero vehicle excise duty for Cars with the lowest rate of emissions, and a £210 fee for the 1% of most polluting cars.